LCViewer::LCADViewer Class Reference

#include <lcadviewer.h>

Inheritance diagram for LCViewer::LCADViewer:

Collaboration diagram for LCViewer::LCADViewer:

Public Slots
void	setVerticalOffset (int v)
void	setHorizontalOffset (int v)

Signals
void	mouseMoveEvent ()
void	mousePressEvent ()
void	mouseReleaseEvent ()
void	drawEvent (const DrawEvent &)
void	selectedItemsEvent (const SelectedItemsEvent &)

Public Member Functions
	LCADViewer (QWidget *parent=0)
	~LCADViewer ()
void	setDocument (std::shared_ptr< lc::Document > document)
void	setSnapManager (std::shared_ptr< SnapManager > snapmanager)
void	setDragManager (DragManager_SPtr dragManager)
std::shared_ptr< DocumentCanvas >	documentCanvas () const
void	autoScale () const
void	setOperationActive (bool operationActive)
const std::shared_ptr < DocumentCanvas > &	docCanvas () const

Protected Member Functions
void	paintEvent (QPaintEvent *)
virtual void	mousePressEvent (QMouseEvent *event)
virtual void	mouseMoveEvent (QMouseEvent *event)
virtual void	mouseReleaseEvent (QMouseEvent *event)
virtual void	wheelEvent (QWheelEvent *event)
virtual void	keyPressEvent (QKeyEvent *event)
virtual void	keyReleaseEvent (QKeyEvent *event)
virtual void	resizeEvent (QResizeEvent *event)

Private Member Functions
void	createPainters (unsigned int width, unsigned int height)
void	deletePainters ()
void	updateBackground ()
void	updateDocument ()
void	on_commitProcessEvent (const lc::CommitProcessEvent &)

Private Attributes
bool	_altKeyActive
bool	_ctrlKeyActive
std::shared_ptr< DocumentCanvas >	_docCanvas
bool	_mouseScrollKeyActive
bool	_operationActive
std::map< LcPainter *, QImage * >	imagemaps
double	_scale
double	_zoomMin
double	_zoomMax
int	v_ = 0
int	h_ = 0
bool	_scaleLineWidth
QPoint	startSelectPos
std::shared_ptr< lc::Document >	_document
std::shared_ptr< SnapManager >	_snapManager
DragManager_SPtr	_dragManager
LcPainter *	_backgroundPainter
LcPainter *	_documentPainter
LcPainter *	_foregroundPainter

Detailed Description

Definition at line 61 of file lcadviewer.h.

Constructor & Destructor Documentation

LCADViewer::LCADViewer

(

QWidget *

parent = 0

)

Definition at line 7 of file lcadviewer.cpp.

                                      :
    QWidget(parent),
    _docCanvas(nullptr),
    _mouseScrollKeyActive(false),
    _operationActive(false),
    _scale(1.0),
    _zoomMin(0.05),
    _zoomMax(20.0),
    _scaleLineWidth(false) {

    setMouseTracking(true);
    this->_altKeyActive = false;
    this->_ctrlKeyActive = false;
        setCursor(Qt::BlankCursor);
}

LCADViewer::~LCADViewer

(

)

Definition at line 23 of file lcadviewer.cpp.

                        {
    deletePainters();

    _document->commitProcessEvent().disconnect<LCADViewer, &LCADViewer::on_commitProcessEvent>(this);
}

Member Function Documentation

void LCViewer::LCADViewer::autoScale ( ) const

inline

Definition at line 72 of file lcadviewer.h.

                               {
            documentCanvas()->autoScale(*_documentPainter);
        }

void LCADViewer::createPainters ( unsigned int  width, unsigned int  height  )

private

Definition at line 271 of file lcadviewer.cpp.

                                                                       {
    QImage *m_image;

    m_image = new QImage(width, height, QImage::Format_ARGB32);
    _backgroundPainter = createCairoImagePainter(m_image->bits(), width, height);
    imagemaps.insert(std::make_pair(_backgroundPainter, m_image));

    m_image = new QImage(width, height, QImage::Format_ARGB32);
    _documentPainter = createCairoImagePainter(m_image->bits(), width, height);
    imagemaps.insert(std::make_pair(_documentPainter, m_image));

    m_image = new QImage(width, height, QImage::Format_ARGB32);
    _foregroundPainter = createCairoImagePainter(m_image->bits(), width, height);
    imagemaps.insert(std::make_pair(_foregroundPainter, m_image));
}

void LCADViewer::deletePainters ( )

private

Definition at line 287 of file lcadviewer.cpp.

                                {
    for(auto pair : imagemaps) {
        delete pair.first;
        delete pair.second;
    }

    imagemaps.clear();
}

const std::shared_ptr< DocumentCanvas > & LCADViewer::docCanvas

(

)

const

Definition at line 306 of file lcadviewer.cpp.

                                                                 {
    return _docCanvas;
}

std::shared_ptr< DocumentCanvas > LCADViewer::documentCanvas

(

)

const

Definition at line 242 of file lcadviewer.cpp.

                                                               {
    return _docCanvas;
}

void LCViewer::LCADViewer::drawEvent ( const DrawEvent &  )

signal

void LCADViewer::keyPressEvent ( QKeyEvent *  event )

protectedvirtual

Handle key pressing and release to add additional states to this view

Definition at line 64 of file lcadviewer.cpp.

                                               {

    QWidget::keyPressEvent(event);

    switch (event->key()) {
        case Qt::Key_Shift:
            // When shift key is released we switch back to rubber band
            //     setDragMode(QGraphicsView::ScrollHandDrag);
            break;

        case Qt::Key_Alt:
            //
            _altKeyActive = true;
            break;

        case Qt::Key_Control:
            _ctrlKeyActive = true;
            break;
    }

}

void LCADViewer::keyReleaseEvent ( QKeyEvent *  event )

protectedvirtual

Definition at line 86 of file lcadviewer.cpp.

                                                 {
    QWidget::keyReleaseEvent(event);

    switch (event->key()) {
        case Qt::Key_Shift:
            // When shift key is released we switch back to rubber band
            //       setDragMode(QGraphicsView::RubberBandDrag);
            break;

        case Qt::Key_Alt:
            //
            _altKeyActive = false;
            break;

        case Qt::Key_Control:
            _ctrlKeyActive = false;
            break;
    }
}

void LCADViewer::mouseMoveEvent ( QMouseEvent *  event )

protectedvirtual

Definition at line 158 of file lcadviewer.cpp.

                                                  {
    QWidget::mouseMoveEvent(event);

    _snapManager->setDeviceLocation(event->pos().x(), event->pos().y());
    _dragManager->onMouseMove();

    // Selection by area
    if (_altKeyActive || _mouseScrollKeyActive) {
        if (!startSelectPos.isNull()) {
            this->_docCanvas->pan(*_documentPainter, event->pos().x(), event->pos().y());

            updateBackground();
            updateDocument();
        }
    } else {
        if (!startSelectPos.isNull()) {
            bool occopies = startSelectPos.x() < event->pos().x();
            _docCanvas->makeSelectionDevice(
                *_documentPainter,
                std::min(startSelectPos.x(), event->pos().x()) , std::min(startSelectPos.y(), event->pos().y()),
                std::abs(startSelectPos.x() - event->pos().x()),
                std::abs(startSelectPos.y() - event->pos().y()), occopies);

            updateDocument();
        }
    }

    emit mouseMoveEvent();

    update();
}

void LCViewer::LCADViewer::mouseMoveEvent ( )

signal

void LCADViewer::mousePressEvent ( QMouseEvent *  event )

protectedvirtual

Definition at line 190 of file lcadviewer.cpp.

                                                   {
    QWidget::mousePressEvent(event);

    startSelectPos = event->pos();

    if(!_operationActive) {
        _dragManager->onMousePress();
    }

    if(_dragManager->entityDragged()) {
        startSelectPos = QPoint();
    }

    switch (event->buttons()) {
        case Qt::MiddleButton: {
            _mouseScrollKeyActive = true;
        }
            break;
    }

    emit mousePressEvent();
}

void LCViewer::LCADViewer::mousePressEvent ( )

signal

void LCADViewer::mouseReleaseEvent ( QMouseEvent *  event )

protectedvirtual

Definition at line 214 of file lcadviewer.cpp.

                                                     {
    startSelectPos = QPoint();

    _dragManager->onMouseRelease();

    _docCanvas->closeSelection();

    std::vector<lc::EntityDistance> emptyList;
    //  MouseReleaseEvent e(this, _lastMousePosition, event, emptyList);
    //  emit mouseReleaseEvent(e);
    switch (event->button()) {
        case Qt::MiddleButton: {
            _mouseScrollKeyActive = false;
        } break;
        
        default: {
            
        } break;
    }

    _docCanvas->removeSelectionArea();
    updateDocument();

    emit mouseReleaseEvent();

    update();
}

void LCViewer::LCADViewer::mouseReleaseEvent ( )

signal

void LCADViewer::on_commitProcessEvent ( const lc::CommitProcessEvent &  )

private

Definition at line 53 of file lcadviewer.cpp.

                                                                   {
    updateDocument();
    update();
}

void LCADViewer::paintEvent ( QPaintEvent *  p )

protected

Definition at line 254 of file lcadviewer.cpp.

                                          {
    if (p->rect().width() == 0 || p->rect().height() == 0) {
        return;
    }

    QPainter painter(this);

    _foregroundPainter->clear(1.0, 1.0, 1.0, 0.0);
    _docCanvas->render(*_foregroundPainter, VIEWER_FOREGROUND);

    painter.drawImage(QPoint(0, 0), *imagemaps.at(_backgroundPainter));
    painter.drawImage(QPoint(0, 0), *imagemaps.at(_documentPainter));
    painter.drawImage(QPoint(0, 0), *imagemaps.at(_foregroundPainter));

    painter.end();
}

void LCADViewer::resizeEvent ( QResizeEvent *  event )

protectedvirtual

Definition at line 106 of file lcadviewer.cpp.

                                                 {
    deletePainters();
    createPainters(event->size().width(), event->size().height());
    _docCanvas->newDeviceSize(event->size().width(), event->size().height());

    updateBackground();
    updateDocument();
}

void LCViewer::LCADViewer::selectedItemsEvent ( const SelectedItemsEvent &  )

signal

void LCADViewer::setDocument

(

std::shared_ptr< lc::Document >

document

)

Definition at line 30 of file lcadviewer.cpp.

                                                               {
    int width = size().width();
    int height = size().height();

    createPainters(width, height);

    _docCanvas = std::make_shared<DocumentCanvas>(document, [this](double* x, double* y) {
        _documentPainter->device_to_user(x, y);
    });

    _document = document;
    _document->commitProcessEvent().connect<LCADViewer, &LCADViewer::on_commitProcessEvent>(this);
}

void LCADViewer::setDragManager

(

DragManager_SPtr

dragManager

)

Definition at line 48 of file lcadviewer.cpp.

                                                            {
    _dragManager = dragManager;
}

void LCADViewer::setHorizontalOffset ( int  v )

slot

Definition at line 145 of file lcadviewer.cpp.

                                          {
    int val = h_ - v;
    for(auto pair : imagemaps) {
        pair.first->translate(val * 20, 0);
    }
    h_ = v;

    updateBackground();
    updateDocument();
    update();
}

void LCADViewer::setOperationActive

(

bool

operationActive

)

Definition at line 246 of file lcadviewer.cpp.

                                                        {
    _operationActive = operationActive;

    if(operationActive == false) {
        documentCanvas()->removeSelection();
    }
}

void LCADViewer::setSnapManager

(

std::shared_ptr< SnapManager >

snapmanager

)

Definition at line 44 of file lcadviewer.cpp.

                                                                      {
    _snapManager = snapmanager;
}

void LCADViewer::setVerticalOffset ( int  v )

slot

Definition at line 133 of file lcadviewer.cpp.

                                        {
    int val = v_ - v;
    for(auto pair : imagemaps) {
        pair.first->translate(0, val * 10);
    }
    v_ = v;

    updateBackground();
    updateDocument();
    update();
}

void LCADViewer::updateBackground ( )

private

Definition at line 296 of file lcadviewer.cpp.

                                  {
    _backgroundPainter->clear(1.0, 1.0, 1.0, 0.0);
    _docCanvas->render(*_backgroundPainter, VIEWER_BACKGROUND);
}

void LCADViewer::updateDocument ( )

private

Definition at line 301 of file lcadviewer.cpp.

                                {
    _documentPainter->clear(1.0, 1.0, 1.0, 0.0);
    _docCanvas->render(*_documentPainter, VIEWER_DOCUMENT);
}

void LCADViewer::wheelEvent ( QWheelEvent *  event )

protectedvirtual

Definition at line 115 of file lcadviewer.cpp.

                                              {

    if (event->angleDelta().y() > 0) {
        for(auto pair : imagemaps) {
            _docCanvas->zoom(*pair.first, 1.1, true, event->pos().x(), event->pos().y());
        }
    } else if (event->angleDelta().y() < 0) {
        for(auto pair : imagemaps) {
            _docCanvas->zoom(*pair.first, 0.9, true, event->pos().x(), event->pos().y());
        }
    }

    updateBackground();
    updateDocument();

    this->update();
}

Member Data Documentation

bool LCViewer::LCADViewer::_altKeyActive

private

Definition at line 110 of file lcadviewer.h.

LcPainter* LCViewer::LCADViewer::_backgroundPainter

private

Definition at line 139 of file lcadviewer.h.

bool LCViewer::LCADViewer::_ctrlKeyActive

private

Definition at line 112 of file lcadviewer.h.

std::shared_ptr<DocumentCanvas> LCViewer::LCADViewer::_docCanvas

private

Definition at line 113 of file lcadviewer.h.

std::shared_ptr<lc::Document> LCViewer::LCADViewer::_document

private

Definition at line 135 of file lcadviewer.h.

LcPainter* LCViewer::LCADViewer::_documentPainter

private

Definition at line 140 of file lcadviewer.h.

DragManager_SPtr LCViewer::LCADViewer::_dragManager

private

Definition at line 137 of file lcadviewer.h.

LcPainter* LCViewer::LCADViewer::_foregroundPainter

private

Definition at line 141 of file lcadviewer.h.

bool LCViewer::LCADViewer::_mouseScrollKeyActive

private

Definition at line 114 of file lcadviewer.h.

bool LCViewer::LCADViewer::_operationActive

private

Definition at line 116 of file lcadviewer.h.

double LCViewer::LCADViewer::_scale

private

Definition at line 120 of file lcadviewer.h.

bool LCViewer::LCADViewer::_scaleLineWidth

private

Definition at line 128 of file lcadviewer.h.

std::shared_ptr<SnapManager> LCViewer::LCADViewer::_snapManager

private

Definition at line 136 of file lcadviewer.h.

double LCViewer::LCADViewer::_zoomMax

private

Definition at line 122 of file lcadviewer.h.

double LCViewer::LCADViewer::_zoomMin

private

Definition at line 121 of file lcadviewer.h.

int LCViewer::LCADViewer::h_ = 0

private

Definition at line 124 of file lcadviewer.h.

std::map<LcPainter*, QImage*> LCViewer::LCADViewer::imagemaps

private

Definition at line 118 of file lcadviewer.h.

QPoint LCViewer::LCADViewer::startSelectPos

private

Definition at line 131 of file lcadviewer.h.

int LCViewer::LCADViewer::v_ = 0

private

Definition at line 123 of file lcadviewer.h.

---

The documentation for this class was generated from the following files:

• lcUI/lcadviewer.h
• lcUI/lcadviewer.cpp